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Vladimir kosma zworykin
/vlˈadɪmˌiə kˈɒzmə zwˈɜːɹɪkˌɪn/
/vlˈædɪmˌɪɹ kˈɑːzmə zwˈɜːɹɪkˌɪn/
Vladimir kosma zworykin
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United States physicist who invented the iconoscope (1889-1982)
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United States physicist who invented the iconoscope (1889-1982)